A6680
N-Acetylneuraminic Acid Aldolase from microorganisms
lyophilized powder, ≥20 units/mg protein (biuret)
Sinónimos:
N-Acetylneuraminate Pyruvate Lyase, N-Acetylneuraminic Acid Lyase, NANA Aldolase, Sialic Aldolase
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25 UNITS
$728.00
$728.00
Precio de catálogo$1,040.00Ahorre 30 %Disponible para envío el31 de marzo de 2025Detalles
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25 UNITS
$728.00
About This Item
Número de CAS:
Beilstein:
2697172
Número MDL:
Código UNSPSC:
12352204
NACRES:
NA.32
$728.00
Precio de catálogo$1,040.00Ahorre 30 %Disponible para envío el31 de marzo de 2025Detalles
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Formulario
lyophilized powder
actividad específica
≥20 units/mg protein (biuret)
mol peso
~98 kDa
temp. de almacenamiento
−20°C
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Aplicación
This enzyme is useful for enzymatic determination of N-acetylneuraminic acid and sialic acid when
coupled with the related enzymes in clinical analysis.
For industrial use, this enzyme is useful for enzymatic synthesis of sialic acid.
coupled with the related enzymes in clinical analysis.
For industrial use, this enzyme is useful for enzymatic synthesis of sialic acid.
Used in the Sialic Acid Quantification Kit, SIALIC-Q
Propiedades físicas
Isoelectric point: 4.6 ± 0.1
Michaelis constant: 2.5 x 10‾3M (N-Acetylneuraminic acid)
Structure: 3 subunits (approx. 35,000) per mol of enzyme
Inhibitors: p-Chloromercuribenzoate, sodium dodecyl sulfact, Hg++, Ag+
Optimum pH: 7.5– 8.0
Optimum temp: 70°C
pH Stability: pH 6.0–9.0 (10°C, 25hr)
Thermal stability: Below 65°C (pH 7.5, 30 min)
Michaelis constant: 2.5 x 10‾3M (N-Acetylneuraminic acid)
Structure: 3 subunits (approx. 35,000) per mol of enzyme
Inhibitors: p-Chloromercuribenzoate, sodium dodecyl sulfact, Hg++, Ag+
Optimum pH: 7.5– 8.0
Optimum temp: 70°C
pH Stability: pH 6.0–9.0 (10°C, 25hr)
Thermal stability: Below 65°C (pH 7.5, 30 min)
Definición de unidad
One unit will release 1.0 μmole of pyruvate from NANA per min at pH 7.7 at 37 °C.
Forma física
Lyophilized powder containing mannitol and EDTA
Código de clase de almacenamiento
10 - Combustible liquids
Clase de riesgo para el agua (WGK)
WGK 3
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
Equipo de protección personal
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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To study the adaptation of an intestinal bacterium to its natural environment, germfree mice were associated with commensal Escherichia coli MG1655. Two-dimensional gel electrophoresis was used to identify proteins differentially expressed in E. coli MG1655 collected from either cecal contents
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Applied microbiology and biotechnology, 86(2), 481-489 (2009-11-06)
N-acetyl-D-neuraminic acid (Neu5Ac) is a precursor for producing many pharmaceutical drugs such as zanamivir which have been used in clinical trials to treat and prevent the infection with influenza virus, such as the avian influenza virus H5N1 and the current
Sean R A Devenish et al.
Biochemical and biophysical research communications, 388(1), 107-111 (2009-08-04)
As part of a general study into the impact of quaternary structure on enzyme function, a library of 31 point mutations were engineered at the dimer-dimer interface of the homotetrameric (beta/alpha)(8)-barrel protein, N-acetylneuraminate lyase (NAL, EC 4.1.3.3). Disruption of the
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Production of N-acetyl-D-neuraminic acid (Neu5Ac) via biocatalysis is traditionally conducted using isolated enzymes or whole cells. The use of isolated enzymes is restricted by the time-consuming purification process, whereas the application of whole cells is limited by the permeability barrier
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